I would like to have a menu tab without any link in which 2

Hi
I would like to have a menu tab without any link in which 2 other tabs comes out.
As example guess that i have a menu tab call prices and from this tab comes out 2 tabs more, one for enterprise prices and another for particular prices.

What i really want is to disable the link which affect the primary tab(prices) in order to go nowhere when you clicked it. Only makes to appear the other two tabs.

Did i explain well?

Thanks